Graves smog block off plates, questions!
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Graves smog block off plates, questions!

This is a discussion on Graves smog block off plates, questions! within the YXZ Engine forums, part of the Yamaha YXZ Technical category; I was given a set of Graves block off plates. My engine is still stock and no tunes of the ecu. Should I have a ...

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Thread: Graves smog block off plates, questions!

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    Member racerlee's Avatar
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    Graves smog block off plates, questions!

    I was given a set of Graves block off plates. My engine is still stock and no tunes of the ecu. Should I have a tuned ecu before I install the block off plates or can I just put the plates without a tune? Plus does anyone know if there is a torque rating for the bolts? Thanks.
    Last edited by racerlee; 03-25-2019 at 10:24 PM.

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    Call Graves or Weller, They can answer that

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    Member racerlee's Avatar
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    Quote Originally Posted by dans2017ssse View Post
    Call Graves or Weller, They can answer that
    Thanks. I emailed Graves with the question.

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    Member racerlee's Avatar
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    Just got an answer from Graves. If just using the block off plates you don't need to flash the ecu. 11 nm for torque specs.

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    Completely plug and play. clears up afr readings, stops popping/backfire on decel, and cleans up the engine bay. Mine mounted upside down which is the only thing I disliked. Throw them on and enjoy. Dont forget to plug the hole in the airbox

    Sent from my LM-G710VM using Tapatalk

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